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Sheppard Single Cylinder Diesel


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  #1  
Old 10-30-2016, 10:43:37 AM
Greg M Greg M is offline
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Default Sheppard Single Cylinder Diesel

I saw an engine a week or so ago. A Sheppard single cylinder diesel. I'd like to know more about it and wondered if anyone here could enlighten me. Googling has not been of any use. I didn't think to take pictures of it when I saw it... sigh.

It was a vertical cylinder with exposed push rods. Looked to be 1940's maybe? I was told it came out of a lifeboat and powered a generator. For scale it stood close to 3' tall and I'd expect it to weigh ~ 500 lbs. Not much to go on but that's all I know.

Thanks, Greg
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Old 10-30-2016, 01:34:53 PM
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Brian Lynch Brian Lynch is offline
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Default Re: Sheppard single cylinder diesel

R.H. Sheppard Co. diesel engines were built in Hanover, PA. They built several sizes and styles up to about 50 hp.
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Old 10-30-2016, 03:36:02 PM
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Default Re: Sheppard single cylinder diesel

They were built in 1,2,3 & 4 cylinder models. They also made a line of tractors using these engines & a conversion setup to install the SD 4 engine into the IHC "M" tractor. I have never seen one of these conversions, but have read about them. I have seen a few Sheppard Diesel tractors over the years....The SD3 & the SD4.
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Old 11-09-2016, 04:44:54 PM
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ListerDiesel ListerDiesel is offline
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Default Re: Sheppard single cylinder diesel

The 1949 Diesel Engine Catalog (#14) shows a Model 8 vertical diesel with what looks like exposed pushrods. Listed as 3" bore and 4" stroke, weight 560#.

2kW output at 1800rpm in a generating set or 5.4hp @ 2000 rpm as a standalone power unit.

There was also a Model 14 with the same bore & stroke but it was air cooled. Power is the same as the Model 8.

Peter
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Old 11-13-2016, 05:28:43 PM
Greg M Greg M is offline
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Default Re: Sheppard single cylinder diesel

Quote:
Originally Posted by ListerDiesel View Post
The 1949 Diesel Engine Catalog (#14) shows a Model 8 vertical diesel with what looks like exposed pushrods. Listed as 3" bore and 4" stroke, weight 560#.

2kW output at 1800rpm in a generating set or 5.4hp @ 2000 rpm as a standalone power unit.
Peter
Thanks Peter that's very useful information. It sounds like the engine I was looking at.

Cheers, Greg
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Old 11-17-2017, 10:08:51 PM
Greg M Greg M is offline
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Default Re: Sheppard single cylinder diesel

Well, to update a year old thread this engine found it's way to my shed today. ListerDiesel called it, a model 8. Not stuck, apparently ran a number of years ago (didn't they all?). The gentleman I bought it from saved it from the scrapman 25 yrs ago. Sadly the generator made it to heavy for one person to move around and was lost.

https://www.smokstak.com/forum/pictu...pictureid=9689

https://www.smokstak.com/forum/pictu...pictureid=9687

https://www.smokstak.com/forum/pictu...pictureid=9690

No starter or ring gear.

https://www.smokstak.com/forum/pictu...pictureid=9688

Perhaps the best part is it came with paper!

https://www.smokstak.com/forum/pictu...pictureid=9691

https://www.smokstak.com/forum/pictu...pictureid=9692

https://www.smokstak.com/forum/pictu...pictureid=9693

Of course I'm very curious now and would like to know details such as date of manufacture etc.. Are there other owner's on this forum? Does anyone have photos they can share?

It has been a good day.
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Old 11-18-2017, 12:26:18 AM
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Default Re: Sheppard single cylinder diesel

An older gentleman used to bring a Sheppard genset to the show here. It was apparently a later model than yours, the pushrods were enclosed. Nice, smooth-running engine for a one-lunger...he had it on a trailer pulled behind a VW Jetta.
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Old 11-18-2017, 10:04:39 AM
Sooty Jim Sooty Jim is offline
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Default Re: Sheppard single cylinder diesel

It's like one in that series of engines that were also used as power units for lifeboats built during WWII. What is the date of the CG manual? I have bits and pieces of several catalogs that have Sheppard stuff in them but not that engine and generator combo. Sheppard is in the '42 Diesel Engine Catalog (#7) but only the Model 6 (3-cyl., 24 hp power unit) and the Model 7 (1-cyl, 8 hp with a 5KW generator). I know they offered more than this but I suppose wanted to highlight their best products.
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Old 11-18-2017, 01:04:16 PM
Greg M Greg M is offline
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Default Re: Sheppard single cylinder diesel

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Originally Posted by Sooty Jim View Post
It's like one in that series of engines that were also used as power units for lifeboats built during WWII. What is the date of the CG manual?
Amazingly there are no dates anywhere on the Coast Guard instruction book. Do you know if they were used for propulsion on the lifeboats or gensets only?
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Old 11-18-2017, 01:37:53 PM
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Default Re: Sheppard Single Cylinder Diesel

The basic engine was used in several applications but I am now not so sure yours is that, though it's similar. Look on page 463 of C.H.Wendell's Gas Engine book and it shows a 3-3/4 air cooled single cylinder engine that is similar and said was introduced in 1946. I think your water cooled version predates it though it shares the 3x4 B&S and power output.

Here is a video of one that is reputedly a lifeboat diesel:
<https://www.youtube.com/watch?v=1Uz7XlJMeUQ>

And here is a Sheppard SD-1 tractor with a similar engine:
<https://www.youtube.com/watch?v=b6Y8-qjWUI0>
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Old 11-18-2017, 11:11:38 PM
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Default Re: Sheppard Single Cylinder Diesel

This engine seems less refined, more primitive somehow, than either of those. The castings have a "prototype" level of finish. Rasp marks in the patterns etc.. I'm looking forward to learning more about this engine.
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Old 11-24-2017, 06:37:37 PM
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Default Re: Sheppard Single Cylinder Diesel

It breathes!

https://www.youtube.com/watch?v=xKgJT3CZYvU
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Old 11-24-2017, 06:52:22 PM
Sooty Jim Sooty Jim is offline
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Default Re: Sheppard Single Cylinder Diesel

Did the smoke ever stop?
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Old 11-24-2017, 07:22:52 PM
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Default Re: Sheppard Single Cylinder Diesel

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Did the smoke ever stop?
I didn't restart it after that. I see a leak around the valve cover and I want to make sure the cooling system is sorted before running it any more. Happy to get this far today.
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Old 11-24-2017, 10:53:15 PM
bartlett0815 bartlett0815 is offline
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Default Re: Sheppard Single Cylinder Diesel

Forgive me if this is a stupid question but are you using a belt sander to drive the flywheel for starting?
Kevin in NC
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  #16  
Old 11-24-2017, 11:11:53 PM
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Default Re: Sheppard Single Cylinder Diesel

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Forgive me if this is a stupid question but are you using a belt sander to drive the flywheel for starting?
Kevin in NC
3" x 21" Dewalt. Endlessly powerful and variable speed. As a sander it's useless. The small front idler gives it an unsatiable appetite for belts. Perhaps it will redeem itself in this incarnation.
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Old 11-25-2017, 12:59:02 AM
K-Tron K-Tron is offline
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Default Re: Sheppard Single Cylinder Diesel

That is definitely the most unusual use for a belt sander. It sounds like you were able to get the air out of the fuel lines with enough cranking. It runs okay considering. I cant wait to see more of this. What an awesome, unusual engine!

Chris
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Old 10-28-2018, 10:59:20 PM
Tjlebaron Tjlebaron is offline
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Default Re: Sheppard single cylinder diesel

Quote:
Originally Posted by ronm View Post
An older gentleman used to bring a Sheppard genset to the show here. It was apparently a later model than yours, the pushrods were enclosed. Nice, smooth-running engine for a one-lunger...he had it on a trailer pulled behind a VW Jetta.
The older gentleman is my uncle. He is 87 and I recently had to put him assisted living. The engine is sitting in his shop and eventually Iíll have to sell it.
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Old 10-29-2018, 12:21:33 AM
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Default Re: Sheppard Single Cylinder Diesel

I'm sorry to hear that. He was a good guy, interesting to talk to.
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Old 10-29-2018, 07:05:03 AM
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Default Re: Sheppard Single Cylinder Diesel

Greg M. In the video linked to your post 12, where is all the smoke coming from? Not from the exhaust apparently. Is the engine breathing properly?
Hugh
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